unicorn.rake

require 'whiskey_disk/helpers'

namespace :unicorn do

  # FIXME: could be made a class, cleaner
  def pid_file
    @pid_file ||=  "/var/run/unicorn/village_#{Rails.env}.pid"
  end

  def pid
    if File.exist?(pid_file)
      @pid = `cat #{pid_file}`
    else
      @pid = ''
    end
  end

  def kill_unicorn(signal = 'TERM')
    unless pid.empty?
      note "Quitting Unicorn.."
      system "kill -s #{signal} #{pid}"
      note "done\n"
      #system "rm #{pid_file}"
    end
  end

  desc "starts unicorn"
  task :start => :environment do
    note "starting unicorn...."
    system "cd #{Rails.root} &&  bin/unicorn -c #{Rails.root}/config/unicorn.rb -E #{Rails.env} -D"
    note "done\n"
  end

  desc "stops unicorn"
  task :stop => :environment do
    kill_unicorn 'TERM'
  end

  desc "tries to gracefully stop unicorn"
  task :graceful_stop => :environment do
    kill_unicorn 'QUIT'
  end

  desc "tries to reload unicorn's config"
  task :reload => :environment do
    kill_unicorn 'USR2'
  end

  desc "does a reload/restart..."
  task :restart => :environment do
    Rake::Task['unicorn:stop'].invoke
    Rake::Task['unicorn:start'].invoke
  end
end